THE SUM OF THE DIGIT OF A TWO DIGIT NUMBERS IS 12 IF THE NEW NUMBERS FORMED BY RESERVING THE DIGIT IS GREATER THAN THE ORIGINAL NUMBER BY 18 THEN FIND THE NUMBER PLEASE FIND AND TELL FULL ANSWER
Answers
Answered by
1
Answer:
let, X is the decimal digit.
10*X+(12-X) is original number.
10*(12-X) +X is reversing number.
so,
{ 10*(12-X) +X} - {10*X+(12-X)} = 18
or, 120 -9X -9X-12 =18
or, 18X= 90
or, X=5
so, the original number is = 10*5 +(12-5)
=57
please give me thanks ☺️
Answered by
1
Answer:
57 is the original number
Step-by-step explanation:
(10x+y)-(10y+x)=18
x+y=12
y=12-x
(120x+12-x)-(120-10x+x)=18
110x-108=18
110x=126
x=126/110=63/55
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